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zones_ht is a global hashtable for flow_table with zone as key. However,
it does not consider netns when getting a flow_table from zones_ht in
tcf_ct_init(), and it means an act_ct action in netns A may get a
flow_table that belongs to netns B if it has the same zone value.
In Shuang's test with the TOPO:
tcf2_c <---> tcf2_sw1 <---> tcf2_sw2 <---> tcf2_s
tcf2_sw1 and tcf2_sw2 saw the same flow and used the same flow table,
which caused their ct entries entering unexpected states and the
TCP connection not able to end normally.
This patch fixes the issue simply by adding netns into the key of
tcf_ct_flow_table so that an act_ct action gets a flow_table that
belongs to its own netns in tcf_ct_init().
Note that for easy coding we don't use tcf_ct_flow_table.nf_ft.net,
as the ct_ft is initialized after inserting it to the hashtable in
tcf_ct_flow_table_get() and also it requires to implement several
functions in rhashtable_params including hashfn, obj_hashfn and
obj_cmpfn.
Fixes: 64ff70b80fd4 ("net/sched: act_ct: Offload established connections to flow table")
Reported-by: Shuang Li <shuali@redhat.com>
Signed-off-by: Xin Long <lucien.xin@gmail.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://lore.kernel.org/r/1db5b6cc6902c5fc6f8c6cbd85494a2008087be5.1718488050.git.lucien.xin@gmail.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
As it says in commit 3bc07321ccc2 ("xfrm: Force a dst refcount before
entering the xfrm type handlers"):
"Crypto requests might return asynchronous. In this case we leave the
rcu protected region, so force a refcount on the skb's destination
entry before we enter the xfrm type input/output handlers."
On TIPC decryption path it has the same problem, and skb_dst_force()
should be called before doing decryption to avoid a possible crash.
Shuang reported this issue when this warning is triggered:
[] WARNING: include/net/dst.h:337 tipc_sk_rcv+0x1055/0x1ea0 [tipc]
[] Kdump: loaded Tainted: G W --------- - - 4.18.0-496.el8.x86_64+debug
[] Workqueue: crypto cryptd_queue_worker
[] RIP: 0010:tipc_sk_rcv+0x1055/0x1ea0 [tipc]
[] Call Trace:
[] tipc_sk_mcast_rcv+0x548/0xea0 [tipc]
[] tipc_rcv+0xcf5/0x1060 [tipc]
[] tipc_aead_decrypt_done+0x215/0x2e0 [tipc]
[] cryptd_aead_crypt+0xdb/0x190
[] cryptd_queue_worker+0xed/0x190
[] process_one_work+0x93d/0x17e0
Fixes: fc1b6d6de220 ("tipc: introduce TIPC encryption & authentication")
Reported-by: Shuang Li <shuali@redhat.com>
Signed-off-by: Xin Long <lucien.xin@gmail.com>
Link: https://lore.kernel.org/r/fbe3195fad6997a4eec62d9bf076b2ad03ac336b.1718476040.git.lucien.xin@gmail.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
syzbot found hanging tasks waiting on rtnl_lock [1]
A reproducer is available in the syzbot bug.
When a request to add multiple actions with the same index is sent, the
second request will block forever on the first request. This holds
rtnl_lock, and causes tasks to hang.
Return -EAGAIN to prevent infinite looping, while keeping documented
behavior.
[1]
INFO: task kworker/1:0:5088 blocked for more than 143 seconds.
Not tainted 6.9.0-rc4-syzkaller-00173-g3cdb45594619 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:0 state:D stack:23744 pid:5088 tgid:5088 ppid:2 flags:0x00004000
Workqueue: events_power_efficient reg_check_chans_work
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5409 [inline]
__schedule+0xf15/0x5d00 kernel/sched/core.c:6746
__schedule_loop kernel/sched/core.c:6823 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6838
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6895
__mutex_lock_common kernel/locking/mutex.c:684 [inline]
__mutex_lock+0x5b8/0x9c0 kernel/locking/mutex.c:752
wiphy_lock include/net/cfg80211.h:5953 [inline]
reg_leave_invalid_chans net/wireless/reg.c:2466 [inline]
reg_check_chans_work+0x10a/0x10e0 net/wireless/reg.c:2481
Fixes: 0190c1d452a9 ("net: sched: atomically check-allocate action")
Reported-by: syzbot+b87c222546179f4513a7@syzkaller.appspotmail.com
Closes: https://syzkaller.appspot.com/bug?extid=b87c222546179f4513a7
Signed-off-by: David Ruth <druth@chromium.org>
Reviewed-by: Jamal Hadi Salim <jhs@mojatatu.com>
Link: https://lore.kernel.org/r/20240614190326.1349786-1-druth@chromium.org
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
When the system resumes from sleep, the phy_init_hw() function invokes
config_init(), which clears all interrupt masks and causes wake events to be
lost in subsequent wake sequences. Remove interrupt mask clearing from
config_init() and preserve relevant masks in config_intr().
Fixes: 7d901a1e878a ("net: phy: add Maxlinear GPY115/21x/24x driver")
Reviewed-by: Wojciech Drewek <wojciech.drewek@intel.com>
Signed-off-by: Raju Lakkaraju <Raju.Lakkaraju@microchip.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Prevent options not supported by the PHY from being requested to it by the MAC
Whenever a WOL option is supported by both, the PHY is given priority
since that usually leads to better power savings.
Fixes: e9e13b6adc33 ("lan743x: fix for potential NULL pointer dereference with bare card")
Reviewed-by: Wojciech Drewek <wojciech.drewek@intel.com>
Signed-off-by: Raju Lakkaraju <Raju.Lakkaraju@microchip.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
When Wake-on-LAN (WoL) is active and the system is in suspend mode, triggering
a system event can wake the system from sleep, which may block the data path.
To restore normal data path functionality after waking, disable all wake-up
events. Furthermore, clear all Write 1 to Clear (W1C) status bits by writing
1's to them.
Fixes: 4d94282afd95 ("lan743x: Add power management support")
Reviewed-by: Wojciech Drewek <wojciech.drewek@intel.com>
Signed-off-by: Raju Lakkaraju <Raju.Lakkaraju@microchip.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
With ARCH=m68k, make allmodconfig && make W=1 C=1 reports:
WARNING: modpost: missing MODULE_DESCRIPTION() in sound/oss/dmasound/dmasound_core.o
Add the missing invocation of the MODULE_DESCRIPTION() macro.
Signed-off-by: Jeff Johnson <quic_jjohnson@quicinc.com>
Reviewed-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Link: https://lore.kernel.org/20240617-md-m68k-sound-oss-dmasound-v1-1-5c19306be930@quicinc.com
The whole mechanism to remember occurred SPI interrupts is not atomic,
which could lead to unexpected behavior. So fix this by using atomic bit
operations instead.
Fixes: 291ab06ecf67 ("net: qualcomm: new Ethernet over SPI driver for QCA7000")
Signed-off-by: Stefan Wahren <wahrenst@gmx.net>
Link: https://lore.kernel.org/r/20240614145030.7781-1-wahrenst@gmx.net
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Merge tag 'lsm-pr-20240617' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/lsm
Pull lsm fix from Paul Moore:
"A single LSM/IMA patch to fix a problem caused by sleeping while in a
RCU critical section"
* tag 'lsm-pr-20240617' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/lsm:
ima: Avoid blocking in RCU read-side critical section
It is important to have fixed (sub)test names in TAP, because these
names are used to identify them. If they are not fixed, tracking cannot
be done.
Some subtests from the userspace_pm selftest were using random numbers
in their names: the client and server address IDs from $RANDOM, and the
client port number randomly picked by the kernel when creating the
connection. These values have been replaced by 'client' and 'server'
words: that's even more helpful than showing random numbers. Note that
the addresses IDs are incremented and decremented in the test: +1 or -1
are then displayed in these cases.
Not to loose info that can be useful for debugging in case of issues,
these random numbers are now displayed at the beginning of the test.
Fixes: f589234e1af0 ("selftests: mptcp: userspace_pm: format subtests results in TAP")
Cc: stable@vger.kernel.org
Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://lore.kernel.org/r/20240614-upstream-net-20240614-selftests-mptcp-uspace-pm-fixed-test-names-v1-1-460ad3edb429@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Some applications were reporting ETIMEDOUT errors on apparently
good looking flows, according to packet dumps.
We were able to root cause the issue to an accidental setting
of tp->retrans_stamp in the following scenario:
- client sends TFO SYN with data.
- server has TFO disabled, ACKs only SYN but not payload.
- client receives SYNACK covering only SYN.
- tcp_ack() eats SYN and sets tp->retrans_stamp to 0.
- tcp_rcv_fastopen_synack() calls tcp_xmit_retransmit_queue()
to retransmit TFO payload w/o SYN, sets tp->retrans_stamp to "now",
but we are not in any loss recovery state.
- TFO payload is ACKed.
- we are not in any loss recovery state, and don't see any dupacks,
so we don't get to any code path that clears tp->retrans_stamp.
- tp->retrans_stamp stays non-zero for the lifetime of the connection.
- after first RTO, tcp_clamp_rto_to_user_timeout() clamps second RTO
to 1 jiffy due to bogus tp->retrans_stamp.
- on clamped RTO with non-zero icsk_retransmits, retransmits_timed_out()
sets start_ts from tp->retrans_stamp from TFO payload retransmit
hours/days ago, and computes bogus long elapsed time for loss recovery,
and suffers ETIMEDOUT early.
Fixes: a7abf3cd76e1 ("tcp: consider using standard rtx logic in tcp_rcv_fastopen_synack()")
CC: stable@vger.kernel.org
Co-developed-by: Neal Cardwell <ncardwell@google.com>
Signed-off-by: Neal Cardwell <ncardwell@google.com>
Co-developed-by: Yuchung Cheng <ycheng@google.com>
Signed-off-by: Yuchung Cheng <ycheng@google.com>
Signed-off-by: Eric Dumazet <edumazet@google.com>
Link: https://lore.kernel.org/r/20240614130615.396837-1-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This reverts commit 3afb76a66b5559a7b595155803ce23801558a7a9.
This was a wrongheaded workaround for an issue that had already been
fixed much better by commit 4ef9ad19e176 ("mm: huge_memory: don't force
huge page alignment on 32 bit").
Asking users questions at kernel compile time that they can't make sense
of is not a viable strategy. And the fact that even the kernel VM
maintainers apparently didn't catch that this "fix" is not a fix any
more pretty much proves the point that people can't be expected to
understand the implications of the question.
It may well be the case that we could improve things further, and that
__thp_get_unmapped_area() should take the mapping randomization into
account even for 64-bit kernels. Maybe we should not be so eager to use
THP mappings.
But in no case should this be a kernel config option.
Cc: Rafael Aquini <aquini@redhat.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Jiri Slaby <jirislaby@kernel.org>
Cc: Suren Baghdasaryan <surenb@google.com>
Cc: Matthew Wilcox (Oracle) <willy@infradead.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Switch over to using the new Intel CPU model defines, as the old ones
are going away.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Dell laptops with IPU6 camera (the Tiger Lake, Alder Lake and Raptor
Lake generations) have broken ACPI MIPI DISCO information (this results
from an OEM attempt to make Linux work by supplying it with custom data
in the ACPI tables which has never been supported in the mainline).
Instead of adding a lot of DMI quirks for this, check for Dell platforms
based on the processor generations in question and drop the ACPI graph
port nodes, likely to be created with the help of invalid data, on all
of them.
Fixes: bd721b934323 ("ACPI: scan: Extract CSI-2 connection graph from _CRS")
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
[ rjw: Changelog edits ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Mainly MM singleton fixes. And a couple of ocfs2 regression fixes.
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Merge tag 'mm-hotfixes-stable-2024-06-17-11-43' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Pull misc fixes from Andrew Morton:
"Mainly MM singleton fixes. And a couple of ocfs2 regression fixes"
* tag 'mm-hotfixes-stable-2024-06-17-11-43' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm:
kcov: don't lose track of remote references during softirqs
mm: shmem: fix getting incorrect lruvec when replacing a shmem folio
mm/debug_vm_pgtable: drop RANDOM_ORVALUE trick
mm: fix possible OOB in numa_rebuild_large_mapping()
mm/migrate: fix kernel BUG at mm/compaction.c:2761!
selftests: mm: make map_fixed_noreplace test names stable
mm/memfd: add documentation for MFD_NOEXEC_SEAL MFD_EXEC
mm: mmap: allow for the maximum number of bits for randomizing mmap_base by default
gcov: add support for GCC 14
zap_pid_ns_processes: clear TIF_NOTIFY_SIGNAL along with TIF_SIGPENDING
mm: huge_memory: fix misused mapping_large_folio_support() for anon folios
lib/alloc_tag: fix RCU imbalance in pgalloc_tag_get()
lib/alloc_tag: do not register sysctl interface when CONFIG_SYSCTL=n
MAINTAINERS: remove Lorenzo as vmalloc reviewer
Revert "mm: init_mlocked_on_free_v3"
mm/page_table_check: fix crash on ZONE_DEVICE
gcc: disable '-Warray-bounds' for gcc-9
ocfs2: fix NULL pointer dereference in ocfs2_abort_trigger()
ocfs2: fix NULL pointer dereference in ocfs2_journal_dirty()
Undo the modifications made in commit d410ee5109a1 ("ACPICA: avoid
"Info: mapping multiple BARs. Your kernel is fine.""). The initial
purpose of this commit was to stop memory mappings for operation
regions from overlapping page boundaries, as it can trigger warnings
if different page attributes are present.
However, it was found that when this situation arises, mapping
continues until the boundary's end, but there is still an attempt to
read/write the entire length of the map, leading to a NULL pointer
deference. For example, if a four-byte mapping request is made but
only one byte is mapped because it hits the current page boundary's
end, a four-byte read/write attempt is still made, resulting in a NULL
pointer deference.
Instead, map the entire length, as the ACPI specification does not
mandate that it must be within the same page boundary. It is
permissible for it to be mapped across different regions.
Link: https://github.com/acpica/acpica/pull/954
Closes: https://bugzilla.kernel.org/show_bug.cgi?id=218849
Fixes: d410ee5109a1 ("ACPICA: avoid "Info: mapping multiple BARs. Your kernel is fine."")
Co-developed-by: Sanath S <Sanath.S@amd.com>
Signed-off-by: Sanath S <Sanath.S@amd.com>
Signed-off-by: Raju Rangoju <Raju.Rangoju@amd.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Update current email address for Kees Cook in the MAINTAINER file to
match the change from commit 4e173c825b19 ("mailmap: update entry for
Kees Cook").
Link: https://lore.kernel.org/r/20240617181257.work.206-kees@kernel.org
Signed-off-by: Kees Cook <kees@kernel.org>
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Merge tag 'hyperv-fixes-signed-20240616' of git://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux
Pull Hyper-V fixes from Wei Liu:
- Some cosmetic changes for hv.c and balloon.c (Aditya Nagesh)
- Two documentation updates (Michael Kelley)
- Suppress the invalid warning for packed member alignment (Saurabh
Sengar)
- Two hv_balloon fixes (Michael Kelley)
* tag 'hyperv-fixes-signed-20240616' of git://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux:
Drivers: hv: Cosmetic changes for hv.c and balloon.c
Documentation: hyperv: Improve synic and interrupt handling description
Documentation: hyperv: Update spelling and fix typo
tools: hv: suppress the invalid warning for packed member alignment
hv_balloon: Enable hot-add for memblock sizes > 128 MiB
hv_balloon: Use kernel macros to simplify open coded sequences
Sourbh reported an oops that is triggerable by trying to read the
pool_stats procfile before nfsd had been started. Move the check for a
NULL serv in svc_pool_stats_start above the mutex acquisition, and fix
the stop routine not to unlock the mutex if there is no serv yet.
Fixes: 7b207ccd9833 ("svc: don't hold reference for poolstats, only mutex.")
Reported-by: Sourabh Jain <sourabhjain@linux.ibm.com>
Signed-off-by: Jeff Layton <jlayton@kernel.org>
Tested-by: Sourabh Jain <sourabhjain@linux.ibm.com>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
syzbot reported a memory leak in nr_create() [0].
Commit 409db27e3a2e ("netrom: Fix use-after-free of a listening socket.")
added sock_hold() to the nr_heartbeat_expiry() function, where
a) a socket has a SOCK_DESTROY flag or
b) a listening socket has a SOCK_DEAD flag.
But in the case "a," when the SOCK_DESTROY flag is set, the file descriptor
has already been closed and the nr_release() function has been called.
So it makes no sense to hold the reference count because no one will
call another nr_destroy_socket() and put it as in the case "b."
nr_connect
nr_establish_data_link
nr_start_heartbeat
nr_release
switch (nr->state)
case NR_STATE_3
nr->state = NR_STATE_2
sock_set_flag(sk, SOCK_DESTROY);
nr_rx_frame
nr_process_rx_frame
switch (nr->state)
case NR_STATE_2
nr_state2_machine()
nr_disconnect()
nr_sk(sk)->state = NR_STATE_0
sock_set_flag(sk, SOCK_DEAD)
nr_heartbeat_expiry
switch (nr->state)
case NR_STATE_0
if (sock_flag(sk, SOCK_DESTROY) ||
(sk->sk_state == TCP_LISTEN
&& sock_flag(sk, SOCK_DEAD)))
sock_hold() // ( !!! )
nr_destroy_socket()
To fix the memory leak, let's call sock_hold() only for a listening socket.
Found by InfoTeCS on behalf of Linux Verification Center
(linuxtesting.org) with Syzkaller.
[0]: https://syzkaller.appspot.com/bug?extid=d327a1f3b12e1e206c16
Reported-by: syzbot+d327a1f3b12e1e206c16@syzkaller.appspotmail.com
Closes: https://syzkaller.appspot.com/bug?extid=d327a1f3b12e1e206c16
Fixes: 409db27e3a2e ("netrom: Fix use-after-free of a listening socket.")
Signed-off-by: Gavrilov Ilia <Ilia.Gavrilov@infotecs.ru>
Signed-off-by: David S. Miller <davem@davemloft.net>
platform (Julien Panis)
- Fail in case the golden temperature is zero as that means the efuse
data is not correctly set (Julien Panis)
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Merge tag 'thermal-v6.10-rc4' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/thermal/linux
Merge thermal driver fixes for 6.10-rc5 from Daniel Lezcano:
"- Remove the filtered mode for mt8188 as it is not supported on this
platform (Julien Panis)
- Fail in case the golden temperature is zero as that means the efuse
data is not correctly set (Julien Panis)"
* tag 'thermal-v6.10-rc4' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/thermal/linux:
thermal/drivers/mediatek/lvts_thermal: Return error in case of invalid efuse data
thermal/drivers/mediatek/lvts_thermal: Remove filtered mode for mt8188
It's not possible to use the joiner at the same time with eDP MSO. When
a panel needs MSO, it's not optional, so MSO trumps joiner.
v3: Only change intel_dp_has_joiner(), leave debugfs alone (Ville)
Fixes: bc71194e8897 ("drm/i915/edp: enable eDP MSO during link training")
Cc: <stable@vger.kernel.org> # v5.13+
Cc: Ville Syrjala <ville.syrjala@linux.intel.com>
Closes: https://gitlab.freedesktop.org/drm/xe/kernel/-/issues/1668
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240614142311.589089-1-jani.nikula@intel.com
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
(cherry picked from commit 8b5a92ca24eb96bb71e2a55e352687487d87687f)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Luis has been reporting an assert failure when freeing an inode
cluster during inode inactivation for a while. The assert looks
like:
XFS: Assertion failed: bp->b_flags & XBF_DONE, file: fs/xfs/xfs_trans_buf.c, line: 241
------------[ cut here ]------------
kernel BUG at fs/xfs/xfs_message.c:102!
Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN NOPTI
CPU: 4 PID: 73 Comm: kworker/4:1 Not tainted 6.10.0-rc1 #4
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
Workqueue: xfs-inodegc/loop5 xfs_inodegc_worker [xfs]
RIP: 0010:assfail (fs/xfs/xfs_message.c:102) xfs
RSP: 0018:ffff88810188f7f0 EFLAGS: 00010202
RAX: 0000000000000000 RBX: ffff88816e748250 RCX: 1ffffffff844b0e7
RDX: 0000000000000004 RSI: ffff88810188f558 RDI: ffffffffc2431fa0
RBP: 1ffff11020311f01 R08: 0000000042431f9f R09: ffffed1020311e9b
R10: ffff88810188f4df R11: ffffffffac725d70 R12: ffff88817a3f4000
R13: ffff88812182f000 R14: ffff88810188f998 R15: ffffffffc2423f80
FS: 0000000000000000(0000) GS:ffff8881c8400000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055fe9d0f109c CR3: 000000014426c002 CR4: 0000000000770ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe07f0 DR7: 0000000000000400
PKRU: 55555554
Call Trace:
<TASK>
xfs_trans_read_buf_map (fs/xfs/xfs_trans_buf.c:241 (discriminator 1)) xfs
xfs_imap_to_bp (fs/xfs/xfs_trans.h:210 fs/xfs/libxfs/xfs_inode_buf.c:138) xfs
xfs_inode_item_precommit (fs/xfs/xfs_inode_item.c:145) xfs
xfs_trans_run_precommits (fs/xfs/xfs_trans.c:931) xfs
__xfs_trans_commit (fs/xfs/xfs_trans.c:966) xfs
xfs_inactive_ifree (fs/xfs/xfs_inode.c:1811) xfs
xfs_inactive (fs/xfs/xfs_inode.c:2013) xfs
xfs_inodegc_worker (fs/xfs/xfs_icache.c:1841 fs/xfs/xfs_icache.c:1886) xfs
process_one_work (kernel/workqueue.c:3231)
worker_thread (kernel/workqueue.c:3306 (discriminator 2) kernel/workqueue.c:3393 (discriminator 2))
kthread (kernel/kthread.c:389)
ret_from_fork (arch/x86/kernel/process.c:147)
ret_from_fork_asm (arch/x86/entry/entry_64.S:257)
</TASK>
And occurs when the the inode precommit handlers is attempt to look
up the inode cluster buffer to attach the inode for writeback.
The trail of logic that I can reconstruct is as follows.
1. the inode is clean when inodegc runs, so it is not
attached to a cluster buffer when precommit runs.
2. #1 implies the inode cluster buffer may be clean and not
pinned by dirty inodes when inodegc runs.
3. #2 implies that the inode cluster buffer can be reclaimed
by memory pressure at any time.
4. The assert failure implies that the cluster buffer was
attached to the transaction, but not marked done. It had
been accessed earlier in the transaction, but not marked
done.
5. #4 implies the cluster buffer has been invalidated (i.e.
marked stale).
6. #5 implies that the inode cluster buffer was instantiated
uninitialised in the transaction in xfs_ifree_cluster(),
which only instantiates the buffers to invalidate them
and never marks them as done.
Given factors 1-3, this issue is highly dependent on timing and
environmental factors. Hence the issue can be very difficult to
reproduce in some situations, but highly reliable in others. Luis
has an environment where it can be reproduced easily by g/531 but,
OTOH, I've reproduced it only once in ~2000 cycles of g/531.
I think the fix is to have xfs_ifree_cluster() set the XBF_DONE flag
on the cluster buffers, even though they may not be initialised. The
reasons why I think this is safe are:
1. A buffer cache lookup hit on a XBF_STALE buffer will
clear the XBF_DONE flag. Hence all future users of the
buffer know they have to re-initialise the contents
before use and mark it done themselves.
2. xfs_trans_binval() sets the XFS_BLI_STALE flag, which
means the buffer remains locked until the journal commit
completes and the buffer is unpinned. Hence once marked
XBF_STALE/XFS_BLI_STALE by xfs_ifree_cluster(), the only
context that can access the freed buffer is the currently
running transaction.
3. #2 implies that future buffer lookups in the currently
running transaction will hit the transaction match code
and not the buffer cache. Hence XBF_STALE and
XFS_BLI_STALE will not be cleared unless the transaction
initialises and logs the buffer with valid contents
again. At which point, the buffer will be marked marked
XBF_DONE again, so having XBF_DONE already set on the
stale buffer is a moot point.
4. #2 also implies that any concurrent access to that
cluster buffer will block waiting on the buffer lock
until the inode cluster has been fully freed and is no
longer an active inode cluster buffer.
5. #4 + #1 means that any future user of the disk range of
that buffer will always see the range of disk blocks
covered by the cluster buffer as not done, and hence must
initialise the contents themselves.
6. Setting XBF_DONE in xfs_ifree_cluster() then means the
unlinked inode precommit code will see a XBF_DONE buffer
from the transaction match as it expects. It can then
attach the stale but newly dirtied inode to the stale
but newly dirtied cluster buffer without unexpected
failures. The stale buffer will then sail through the
journal and do the right thing with the attached stale
inode during unpin.
Hence the fix is just one line of extra code. The explanation of
why we have to set XBF_DONE in xfs_ifree_cluster, OTOH, is long and
complex....
Fixes: 82842fee6e59 ("xfs: fix AGF vs inode cluster buffer deadlock")
Signed-off-by: Dave Chinner <dchinner@redhat.com>
Tested-by: Luis Chamberlain <mcgrof@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Chandan Babu R <chandanbabu@kernel.org>
The gpio in "reg_usdhc2_vmmc" should be 7 instead of 19.
Cc: stable@vger.kernel.org
Fixes: 307fd14d4b14 ("arm64: dts: imx: add imx8qm mek support")
Reviewed-by: Peng Fan <peng.fan@nxp.com>
Signed-off-by: Frank Li <Frank.Li@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
One patch from John David Anglin which reworks the parisc cache flushing
routines with the aim to fix the random segmentation faults on machines with
PA8800 and PA8900 processors. We have faced those segfaults since many years,
but with this patch no single segfault could be triggered any longer. The
patch was tested by 3 people on 5 different machines with various stable
kernels (6.6, 6.8 and 6.9).
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Merge tag 'parisc-for-6.10-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux
Pull parisc fix from Helge Deller:
"On parisc we have suffered since years from random segfaults which
seem to have been triggered due to cache inconsistencies. Those
segfaults happened more often on machines with PA8800 and PA8900 CPUs,
which have much bigger caches than the earlier machines.
Dave Anglin has worked over the last few weeks to fix this bug. His
patch has been successfully tested by various people on various
machines and with various kernels (6.6, 6.8 and 6.9), and the debian
buildd servers haven't shown a single random segfault with this patch.
Since the cache handling has been reworked, the patch is slightly
bigger than I would like in this stage, but the greatly improved
stability IMHO justifies the inclusion now"
* tag 'parisc-for-6.10-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux:
parisc: Try to fix random segmentation faults in package builds
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Merge tag 'i2c-for-6.10-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
Pull i2c fixes from Wolfram Sang:
"Two fixes to correctly report i2c functionality, ensuring that
I2C_FUNC_SLAVE is reported when a device operates solely as a slave
interface"
* tag 'i2c-for-6.10-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux:
i2c: designware: Fix the functionality flags of the slave-only interface
i2c: at91: Fix the functionality flags of the slave-only interface
Here are some small USB and Thunderbolt driver fixes for 6.10-rc4.
Included in here are:
- thunderbolt debugfs bugfix
- USB typec bugfixes
- kcov usb bugfix
- xhci bugfixes
- usb-storage bugfix
- dt-bindings bugfix
- cdc-wdm log message spam bugfix
All of these, except for the last cdc-wdm log level change, have been in
linux-next for a while with no reported problems. The cdc-wdm bugfix
has been tested by syzbot and proved to fix the reported cpu lockup
issues when the log is constantly spammed by a broken device.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-6.10-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB / Thunderbolt fixes from Greg KH:
"Here are some small USB and Thunderbolt driver fixes for 6.10-rc4.
Included in here are:
- thunderbolt debugfs bugfix
- USB typec bugfixes
- kcov usb bugfix
- xhci bugfixes
- usb-storage bugfix
- dt-bindings bugfix
- cdc-wdm log message spam bugfix
All of these, except for the last cdc-wdm log level change, have been
in linux-next for a while with no reported problems. The cdc-wdm
bugfix has been tested by syzbot and proved to fix the reported cpu
lockup issues when the log is constantly spammed by a broken device"
* tag 'usb-6.10-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb:
USB: class: cdc-wdm: Fix CPU lockup caused by excessive log messages
xhci: Handle TD clearing for multiple streams case
xhci: Apply broken streams quirk to Etron EJ188 xHCI host
xhci: Apply reset resume quirk to Etron EJ188 xHCI host
xhci: Set correct transferred length for cancelled bulk transfers
usb-storage: alauda: Check whether the media is initialized
usb: typec: ucsi: Ack also failed Get Error commands
kcov, usb: disable interrupts in kcov_remote_start_usb_softirq
dt-bindings: usb: realtek,rts5411: Add missing "additionalProperties" on child nodes
usb: typec: tcpm: Ignore received Hard Reset in TOGGLING state
usb: typec: tcpm: fix use-after-free case in tcpm_register_source_caps
USB: xen-hcd: Traverse host/ when CONFIG_USB_XEN_HCD is selected
usb: typec: ucsi: glink: increase max ports for x1e80100
Revert "usb: chipidea: move ci_ulpi_init after the phy initialization"
thunderbolt: debugfs: Fix margin debugfs node creation condition
Here are some small tty and serial driver fixes that resolve som
reported problems. Included in here are:
- n_tty lookahead buffer bugfix
- WARN_ON() removal where it was not needed
- 8250_dw driver bugfixes
- 8250_pxa bugfix
- sc16is7xx Kconfig fixes for reported build issues
All of these have been in linux-next for over a week with no reported
problems.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'tty-6.10-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
Pull tty/serial driver fixes from Greg KH:
"Here are some small tty and serial driver fixes that resolve som
reported problems. Included in here are:
- n_tty lookahead buffer bugfix
- WARN_ON() removal where it was not needed
- 8250_dw driver bugfixes
- 8250_pxa bugfix
- sc16is7xx Kconfig fixes for reported build issues
All of these have been in linux-next for over a week with no reported
problems"
* tag 'tty-6.10-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty:
serial: drop debugging WARN_ON_ONCE() from uart_write()
serial: sc16is7xx: re-add Kconfig SPI or I2C dependency
serial: sc16is7xx: rename Kconfig CONFIG_SERIAL_SC16IS7XX_CORE
serial: port: Don't block system suspend even if bytes are left to xmit
serial: 8250_pxa: Configure tx_loadsz to match FIFO IRQ level
serial: 8250_dw: Revert "Move definitions to the shared header"
serial: 8250_dw: Don't use struct dw8250_data outside of 8250_dw
tty: n_tty: Fix buffer offsets when lookahead is used
Here is a single staging driver fix, for the vc04 driver, for 6.10-rc4.
It resolves a reported problem that showed up in the 6.10-rc1 set of
changes.
It's been in linux-next for over a week with no reported problems.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'staging-6.10-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
Pull staging driver fix from Greg KH:
"Here is a single staging driver fix, for the vc04 driver. It resolves
a reported problem that showed up in the merge window set of changes.
It's been in linux-next for over a week with no reported problems"
* tag 'staging-6.10-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging:
staging: vchiq_debugfs: Fix NPD in vchiq_dump_state
Here are 3 small changes for 6.10-rc4 that resolve reported problems,
and finally drop an unused api call. These are:
- removal of devm_device_add_groups(), all the callers of this are
finally gone after the 6.10-rc1 merge (changes came in through
different trees), so it's safe to remove.
- much reported sysfs build error fixed up for systems that did not
have sysfs enabled
- driver core sync issue fix for a many reported issue over the years
that no one really paid much attention to, until Dirk finally
tracked down the real issue and made the "obviously correct and
simple" fix for it.
All of these have been in linux-next for over a week with no reported
problems.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'driver-core-6.10-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
Pull driver core and sysfs fixes from Greg KH:
"Here are three small changes for 6.10-rc4 that resolve reported
problems, and finally drop an unused api call. These are:
- removal of devm_device_add_groups(), all the callers of this are
finally gone after the 6.10-rc1 merge (changes came in through
different trees), so it's safe to remove.
- much reported sysfs build error fixed up for systems that did not
have sysfs enabled
- driver core sync issue fix for a many reported issue over the years
that no one really paid much attention to, until Dirk finally
tracked down the real issue and made the "obviously correct and
simple" fix for it.
All of these have been in linux-next for over a week with no reported
problems"
* tag 'driver-core-6.10-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core:
drivers: core: synchronize really_probe() and dev_uevent()
sysfs: Unbreak the build around sysfs_bin_attr_simple_read()
driver core: remove devm_device_add_groups()
Here are a number of small char/misc and iio driver fixes for 6.10-rc4.
Included in here are the following:
- iio driver fixes for a bunch of reported problems.
- mei driver fixes for a number of reported issues.
- amiga parport driver build fix.
- .editorconfig fix that was causing lots of unintended whitespace
changes to happen to files when they were being edited. Unless we
want to sweep the whole tree and remove all trailing whitespace at
once, this is needed for the .editorconfig file to be able to be
used at all. This change is required because the original
submitters never touched older files in the tree.
- jfs bugfix for a buffer overflow
The jfs bugfix is in here as I didn't know where else to put it, and
it's been ignored for a while as the filesystem seems to be abandoned
and I'm tired of seeing the same issue reported in multiple places.
All of these have been in linux-next with no reported issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-6.10-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc driver fixes from Greg KH:
"Here are a number of small char/misc and iio driver fixes for
6.10-rc4. Included in here are the following:
- iio driver fixes for a bunch of reported problems.
- mei driver fixes for a number of reported issues.
- amiga parport driver build fix.
- .editorconfig fix that was causing lots of unintended whitespace
changes to happen to files when they were being edited. Unless we
want to sweep the whole tree and remove all trailing whitespace at
once, this is needed for the .editorconfig file to be able to be
used at all. This change is required because the original
submitters never touched older files in the tree.
- jfs bugfix for a buffer overflow
The jfs bugfix is in here as I didn't know where else to put it, and
it's been ignored for a while as the filesystem seems to be abandoned
and I'm tired of seeing the same issue reported in multiple places.
All of these have been in linux-next with no reported issues"
* tag 'char-misc-6.10-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (25 commits)
.editorconfig: remove trim_trailing_whitespace option
jfs: xattr: fix buffer overflow for invalid xattr
misc: microchip: pci1xxxx: Fix a memory leak in the error handling of gp_aux_bus_probe()
misc: microchip: pci1xxxx: fix double free in the error handling of gp_aux_bus_probe()
parport: amiga: Mark driver struct with __refdata to prevent section mismatch
mei: vsc: Fix wrong invocation of ACPI SID method
mei: vsc: Don't stop/restart mei device during system suspend/resume
mei: me: release irq in mei_me_pci_resume error path
mei: demote client disconnect warning on suspend to debug
iio: inkern: fix channel read regression
iio: imu: inv_mpu6050: stabilized timestamping in interrupt
iio: adc: ad7173: Fix sampling frequency setting
iio: adc: ad7173: Clear append status bit
iio: imu: inv_icm42600: delete unneeded update watermark call
iio: imu: inv_icm42600: stabilized timestamp in interrupt
iio: invensense: fix odr switching to same value
iio: adc: ad7173: Remove index from temp channel
iio: adc: ad7173: Add ad7173_device_info names
iio: adc: ad7173: fix buffers enablement for ad7176-2
iio: temperature: mlx90635: Fix ERR_PTR dereference in mlx90635_probe()
...
- Fix a bug where the SCSI Removable Media Bit (RMB) was incorrectly set
for hot-plug capable (and eSATA) ports. The RMB bit means that the
media is removable (e.g. floppy or CD-ROM), not that the device server
is removable. If the RMB bit is set, SCSI will set the removable media
sysfs attribute.
If the removable media sysfs attribute is set on a device, GNOME/udisks
will automatically mount the device on boot.
We only want to set the SCSI RMB bit (and thus the removable media
sysfs attribute) for devices where the ATA removable media device bit
is set.
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Merge tag 'ata-6.10-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/libata/linux
Pull ata fix from Niklas Cassel:
"Fix a bug where the SCSI Removable Media Bit (RMB) was incorrectly set
for hot-plug capable (and eSATA) ports.
The RMB bit means that the media is removable (e.g. floppy or CD-ROM),
not that the device server is removable. If the RMB bit is set, SCSI
will set the removable media sysfs attribute.
If the removable media sysfs attribute is set on a device,
GNOME/udisks will automatically mount the device on boot.
We only want to set the SCSI RMB bit (and thus the removable media
sysfs attribute) for devices where the ATA removable media device bit
is set"
* tag 'ata-6.10-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/libata/linux:
ata: libata-scsi: Set the RMB bit only for removable media devices
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Merge tag 'edac_urgent_for_v6.10_rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/ras/ras
Pull EDAC fixes from Borislav Petkov:
- Fix two issues with MI300 address translation logic
* tag 'edac_urgent_for_v6.10_rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/ras/ras:
RAS/AMD/ATL: Use system settings for MI300 DRAM to normalized address translation
RAS/AMD/ATL: Fix MI300 bank hash
- Update tracepoints events introduced in v6.10-rc1 so that it includes the
numeric identifier of host card in which the event happens.
- replace wiki URL with the current website URL in Kconfig
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Merge tag 'firewire-fixes-6.10-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394
Pull firewire fixes from Takashi Sakamoto:
- Update tracepoints events introduced in v6.10-rc1 so that it includes
the numeric identifier of host card in which the event happens
- replace wiki URL with the current website URL in Kconfig
* tag 'firewire-fixes-6.10-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394:
firewire: core: record card index in bus_reset_handle tracepoints event
firewire: core: record card index in tracepoinrts events derived from bus_reset_arrange_template
firewire: core: record card index in async_phy_inbound tracepoints event
firewire: core: record card index in async_phy_outbound_complete tracepoints event
firewire: core: record card index in async_phy_outbound_initiate tracepoints event
firewire: core: record card index in tracepoinrts events derived from async_inbound_template
firewire: core: record card index in tracepoinrts events derived from async_outbound_initiate_template
firewire: core: record card index in tracepoinrts events derived from async_outbound_complete_template
firewire: fix website URL in Kconfig
Commit 66601a29bb23 ("leds: class: If no default trigger is given, make
hw_control trigger the default trigger") causes ledtrig-netdev to get
set as default trigger on various network LEDs.
This causes users to hit a pre-existing AB-BA deadlock issue in
ledtrig-netdev between the LED-trigger locks and the rtnl mutex,
resulting in hung tasks in kernels >= 6.9.
Solving the deadlock is non trivial, so for now revert the change to
set the hw_control trigger as default trigger, so that ledtrig-netdev
no longer gets activated automatically for various network LEDs.
The netdev trigger is not needed because the network LEDs are usually under
hw-control and the netdev trigger tries to leave things that way so setting
it as the active trigger for the LED class device is a no-op.
Fixes: 66601a29bb23 ("leds: class: If no default trigger is given, make hw_control trigger the default trigger")
Reported-by: Genes Lists <lists@sapience.com>
Closes: https://lore.kernel.org/all/9d189ec329cfe68ed68699f314e191a10d4b5eda.camel@sapience.com/
Reported-by: Johannes Wüller <johanneswueller@gmail.com>
Closes: https://lore.kernel.org/lkml/e441605c-eaf2-4c2d-872b-d8e541f4cf60@gmail.com/
Cc: stable@vger.kernel.org
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Acked-by: Lee Jones <lee@kernel.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
SODIMM 17 can be used as an edge triggered interrupt supplied from an
off board source.
Enable hysteresis on the pinmuxing to increase immunity against noise
on the signal.
Fixes: 60f01b5b5c7d ("arm64: dts: imx8mm-verdin: update iomux configuration")
Signed-off-by: Max Krummenacher <max.krummenacher@toradex.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Similarly to other Lenovo laptops these also have a dual speaker
setup with a shared amplifier.
The model also seems to have a conflicting PCI SSID with the codec SSID for
the Legion Y9000X 2022 IAH7. Only tested on the Yoga Pro 7, as I don't have
access to the other laptop.
Signed-off-by: Gergely Meszaros <meszaros.gergely97@gmail.com>
Link: https://lore.kernel.org/r/20240616085233.16922-1-meszaros.gergely97@gmail.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
specifically ensuring that I2C_FUNC_SLAVE is reported when a
device operates solely as a slave interface.
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Merge tag 'i2c-host-fixes-6.10-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/andi.shyti/linux into i2c/for-current
Two fixes from Jean aim to correctly report i2c functionality,
specifically ensuring that I2C_FUNC_SLAVE is reported when a
device operates solely as a slave interface.
The currently used normalized address format is not applicable to all
MI300 systems. This leads to incorrect results during address
translation.
Drop the fixed layout and construct the normalized address from system
settings.
Fixes: 87a612375307 ("RAS/AMD/ATL: Add MI300 DRAM to normalized address translation support")
Signed-off-by: Yazen Ghannam <yazen.ghannam@amd.com>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Cc: <stable@kernel.org>
Link: https://lore.kernel.org/r/20240607-mi300-dram-xl-fix-v1-2-2f11547a178c@amd.com
